Q Minerals (Xinyi) is a professional manufacturer of Fused Silica (Grains & Powder) and Crystalline Silica ( Sand & Powder) , which are widely used as materials for Investment Casting , Refractory , Ceramics , Artificial Marble , Epoxy Molding Compound (EMC filler), Paints, Coating, Foundry industries etc. Our products includes :

1. Fused Silica Grains / Fused Micro Silica Powder

SiO2: 99.9%min Fe2O3 : 15ppm max -50ppm max,

Particle size:

A : 3-100mm , 5-50mm,8-5mm ,5-3mm , 3-1mm ,1-0.5mm , 0-0.5mm , 0.5-0.2mm , 0.2-0.1mm , 0.5-1mm

B : - 4+10mesh ,-10+20 mesh , -10+30 mesh , -30+50 mesh , -50+100mesh ,-120F ,-325F, -400F,-600F

or in accordance with customer's request .

2. Crystalline Silica Sands / Crystalline Micro Silica Powder

SiO2 : 99.5% min-99.98%min Fe2O3 : 5ppm max-30ppm max,

Particle size:

2-4mesh , 4-6mesh , 6-10 mesh , 10-20 mesh , 20-40 mesh , 40-80mesh ,80-200mesh ,-100mesh , -200mesh , -325mesh , 400mesh , 600 mesh

or in accordance with customer's request . 

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